openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/PortModInputMessageFactory.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.util.ByteBufUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfig;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeatures;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortMod;
  21
  22 /**
  23  * Translates PortMod messages.
  24  * OF protocol versions: 1.3.
  25  * @author timotej.kubas
  26  * @author michal.polkorab
  27  */
  28 public class PortModInputMessageFactory implements OFSerializer<PortMod> {
  29     private static final byte MESSAGE_TYPE = 16;
  30     private static final byte PADDING_IN_PORT_MOD_MESSAGE_01 = 4;
  31     private static final byte PADDING_IN_PORT_MOD_MESSAGE_02 = 2;
  32     private static final byte PADDING_IN_PORT_MOD_MESSAGE_03 = 4;
  33
  34     @Override
  35     public void serialize(final PortMod message, final ByteBuf outBuffer) {
  36         int index = outBuffer.writerIndex();
  37         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  38         outBuffer.writeInt(message.getPortNo().getValue().intValue());
  39         outBuffer.writeZero(PADDING_IN_PORT_MOD_MESSAGE_01);
  40         outBuffer.writeBytes(IetfYangUtil.INSTANCE.bytesFor(message.getHwAddress()));
  41         outBuffer.writeZero(PADDING_IN_PORT_MOD_MESSAGE_02);
  42         outBuffer.writeInt(createPortConfigBitmask(message.getConfig()));
  43         outBuffer.writeInt(createPortConfigBitmask(message.getMask()));
  44         outBuffer.writeInt(createPortFeaturesBitmask(message.getAdvertise()));
  45         outBuffer.writeZero(PADDING_IN_PORT_MOD_MESSAGE_03);
  46         ByteBufUtils.updateOFHeaderLength(outBuffer, index);
  47     }
  48
  49     /**
  50      * @param config
  51      * @return port config bitmask
  52      */
  53     private static int createPortConfigBitmask(final PortConfig config) {
  54         int configBitmask = 0;
  55         Map<Integer, Boolean> portConfigMap = new HashMap<>();
  56         portConfigMap.put(0, config.isPortDown());
  57         portConfigMap.put(2, config.isNoRecv());
  58         portConfigMap.put(5, config.isNoFwd());
  59         portConfigMap.put(6, config.isNoPacketIn());
  60
  61         configBitmask = ByteBufUtils.fillBitMaskFromMap(portConfigMap);
  62         return configBitmask;
  63     }
  64
  65     private static int createPortFeaturesBitmask(final PortFeatures feature) {
  66         return ByteBufUtils.fillBitMask(0, feature.is_10mbHd(),
  67                 feature.is_10mbFd(),
  68                 feature.is_100mbHd(),
  69                 feature.is_100mbFd(),
  70                 feature.is_1gbHd(),
  71                 feature.is_1gbFd(),
  72                 feature.is_10gbFd(),
  73                 feature.is_40gbFd(),
  74                 feature.is_100gbFd(),
  75                 feature.is_1tbFd(),
  76                 feature.isOther(),
  77                 feature.isCopper(),
  78                 feature.isFiber(),
  79                 feature.isAutoneg(),
  80                 feature.isPause(),
  81                 feature.isPauseAsym());
  82     }
  83
  84 }